Phoenix Contact ST 2.5-PE Protective Conductor Terminal Block, Spring-Cage, Green-Yellow, DIN Rail

When electrical safety depends on a reliable protective earth connection, the Phoenix Contact ST 2.5-PE terminal block delivers the performance you need. This spring-cage terminal ensures secure, vibration-resistant termination of protective conductors up to 4 mm², making it an essential component for control cabinets, machinery, and industrial installations where safety is non-negotiable.

Who is it for

Designed for electrical engineers, panel builders, and maintenance technicians, this PE terminal block is ideal for applications requiring a dedicated protective conductor connection. Whether you are assembling a new control panel or retrofitting an existing system, the ST 2.5-PE provides a compact and reliable solution for grounding and equipotential bonding.

Main features

• Spring-cage connection technology ensures fast, tool-free wiring and a secure, maintenance-free connection.
• Green-yellow housing clearly identifies the protective conductor function, enhancing safety and compliance.
• Compact design with 2 connections and 1 position saves valuable DIN rail space.
• Wide operating temperature range from -60 °C to 105 °C suits demanding industrial environments.
• UL 94 V0 flammability rating offers high fire resistance.
• Complies with IEC 60947-7-2 for protective conductor terminal blocks.

Specifications

• Connection Technology: Spring-cage
• Nominal Cross Section: 2.5 mm²
• Number of Connections: 2
• Number of Positions: 1
• Mounting Type: DIN rail NS 35/7.5, NS 35/15
• Insulating Material: Polyamide (PA)
• Flammability Rating: UL 94 V0
• Operating Temperature: -60 °C to 105 °C
• Stripping Length: 8 mm
• Conductor Cross Section (Solid): 0.08 - 4 mm²
• Conductor Cross Section (Stranded): 0.08 - 2.5 mm²
• Conductor Cross Section (AWG): 28 - 12
• Terminal Block Type: Protective conductor (PE)
• Standards: IEC 60947-7-2
• Pollution Degree: 3
• Overvoltage Category: III

Tips

For optimal performance, use a suitable screwdriver for spring-cage actuation and ensure the conductor is fully inserted before releasing the spring. Always verify that the terminal block is correctly rated for your application's voltage and current requirements.